Gilbert Song created MESOS-5687:
-----------------------------------
Summary: Port mapping isolator may cause segfault if the agent
flag `egress_rate_limit_per_container` is specified.
Key: MESOS-5687
URL: https://issues.apache.org/jira/browse/MESOS-5687
Project: Mesos
Issue Type: Bug
Components: isolation, network
Environment: Fedora 23 with network isolatrion
Reporter: Gilbert Song
Priority: Critical
The port mapping isolator may get into segfault if the agent flag
`egress_rate_limit_per_container` is specified and `/sys/class/net/eth0/speed`
is not readable.
This can be exposed in this test:
{noformat}
PortMappingIsolatorTest.ROOT_NC_SmallEgressLimit
{noformat}
Here is the log:
{noformat}
[20:18:05] : [Step 10/10] [ RUN ]
PortMappingIsolatorTest.ROOT_NC_SmallEgressLimit
[20:18:05]W: [Step 10/10] I0622 20:18:05.375366 28395
port_mapping_tests.cpp:229] Using eth0 as the public interface
[20:18:05]W: [Step 10/10] I0622 20:18:05.375664 28395
port_mapping_tests.cpp:237] Using lo as the loopback interface
[20:18:05]W: [Step 10/10] I0622 20:18:05.388883 28395 resources.cpp:572]
Parsing resources as JSON failed:
cpus:2;mem:1024;disk:1024;ephemeral_ports:[30001-30999];ports:[31000-32000]
[20:18:05]W: [Step 10/10] Trying semicolon-delimited string format instead
[20:18:05]W: [Step 10/10] I0622 20:18:05.389879 28395
port_mapping.cpp:1557] Using eth0 as the public interface
[20:18:05]W: [Step 10/10] I0622 20:18:05.390173 28395
port_mapping.cpp:1582] Using lo as the loopback interface
[20:18:05]W: [Step 10/10] F0622 20:18:05.390365 28395
port_mapping_tests.cpp:1496] CHECK_SOME(isolator): Failed to read
/sys/class/net/eth0/speed: Invalid argument
[20:18:05]W: [Step 10/10] *** Check failure stack trace: ***
[20:18:05]W: [Step 10/10] @ 0x7f11003bdd1a
google::LogMessage::Fail()
[20:18:05]W: [Step 10/10] @ 0x7f11003bdc73
google::LogMessage::SendToLog()
[20:18:05]W: [Step 10/10] @ 0x7f11003bd669
google::LogMessage::Flush()
[20:18:05]W: [Step 10/10] @ 0x7f11003c04da
google::LogMessageFatal::~LogMessageFatal()
[20:18:05]W: [Step 10/10] @ 0xa62ce1
_CheckFatal::~_CheckFatal()
[20:18:05]W: [Step 10/10] @ 0x199a13d
mesos::internal::tests::PortMappingIsolatorTest_ROOT_NC_SmallEgressLimit_Test::TestBody()
[20:18:05]W: [Step 10/10] @ 0x1a36fbe
testing::internal::HandleSehExceptionsInMethodIfSupported<>()
[20:18:05]W: [Step 10/10] @ 0x1a3206c
testing::internal::HandleExceptionsInMethodIfSupported<>()
[20:18:05]W: [Step 10/10] @ 0x1a12ab6 testing::Test::Run()
[20:18:05]W: [Step 10/10] @ 0x1a1326e testing::TestInfo::Run()
[20:18:05]W: [Step 10/10] @ 0x1a138bf testing::TestCase::Run()
[20:18:05]W: [Step 10/10] @ 0x1a1a3fd
testing::internal::UnitTestImpl::RunAllTests()
[20:18:05]W: [Step 10/10] @ 0x1a37c85
testing::internal::HandleSehExceptionsInMethodIfSupported<>()
[20:18:05]W: [Step 10/10] @ 0x1a32bac
testing::internal::HandleExceptionsInMethodIfSupported<>()
[20:18:05]W: [Step 10/10] @ 0x1a190d9 testing::UnitTest::Run()
[20:18:05]W: [Step 10/10] @ 0x1004b7f RUN_ALL_TESTS()
[20:18:05]W: [Step 10/10] @ 0x1004765 main
[20:18:05]W: [Step 10/10] @ 0x7f10f9aa4580 __libc_start_main
[20:18:05]W: [Step 10/10] @ 0xa61339 _start
[20:18:06]W: [Step 10/10]
/mnt/teamcity/temp/agentTmp/custom_script8081387914816808529: line 3: 28395
Aborted (core dumped) GLOG_v=1 ./bin/mesos-tests.sh --verbose
--gtest_filter="$GTEST_FILTER"
[20:18:06]W: [Step 10/10] Process exited with code 134
{noformat}
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